ObjectA calling ObjectB

[Lee Harr]

On 2003-12-27, Midas <MidasOneTwo at hotmail.nospam.com> wrote:
> Thanks for replying.
> It looks like you hardcoded the name ObjectB within ClassA. I'd like to avoid all hardcoding of names. In other words, I'd like ObjectA to be *told*, at run time, which object to call and which method to call.
>
> On Sat, 27 Dec 2003 21:42:05 +0100, Lawrence Oluyede wrote:
>
>>You could simply do something like this:
>>
>>class A:
>>  def __init__(self):
>>    self.ObjectB = B()
>>
>>class B:
>>  def someMethod(self):
>>    pass
>>
>>if __name__ == "__main__":
>>  ObjectA = A()
>>  ObjectA.ObjectB.someMethod()



class A:
  def __init__(self):
    self.b = B()
  def run_time(self, method_name):
    getattr(self.b, method_name)()

class B:
  def foo(self):
    print 'foo!'

a = A()
a.run_time('foo')